About this article
Published Online: Dec 31, 2018
Page range: 60 - 66
DOI: https://doi.org/10.2478/disp-2003-0005
© 2019 Pedro Galvão, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.
Pedro Galvão
Sociedade Portuguesa de Filosofia Av. da República, 37, 4.o 1050-187Lisboa, Portugal